#! /usr/bin/perl -w
#
#     The Shoreline Firewall Packet Filtering Firewall Compiler - V4.4
#
#     This program is under GPL [http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt]
#
#     (c) 2007,2008,2009 - Tom Eastep (teastep@shorewall.net)
#
#	Complete documentation is available at http://shorewall.net
#
#	This program is free software; you can redistribute it and/or modify
#	it under the terms of Version 2 of the GNU General Public License
#	as published by the Free Software Foundation.
#
#	This program is distributed in the hope that it will be useful,
#	but WITHOUT ANY WARRANTY; without even the implied warranty of
#	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#	GNU General Public License for more details.
#
#	You should have received a copy of the GNU General Public License
#	along with this program; if not, write to the Free Software
#	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Usage:
#
#         compiler.pl [ <option> ... ] [ <filename> ]
#
#     Options:
#
#         --export                    # Compile for export
#         --verbosity=<number>        # Set VERBOSITY range -1 to 2
#         --directory=<directory>     # Directory where configuration resides (default is /etc/shorewall)
#         --timestamp                 # Timestamp all progress messages
#         --debug                     # Print stack trace on warnings and fatal error.
#         --refresh=<chainlist>       # Make the 'refresh' command refresh a comma-separated list of chains rather than 'blacklst'.
#         --log=<filename>            # Log file
#         --log_verbosity=<number>    # Log Verbosity range -1 to 2
#         --family=<number>           # IP family; 4 = IPv4 (default), 6 = IPv6
#         --preview                   # Preview the ruleset.
#
use strict;
use FindBin;
use lib "$FindBin::Bin";
use Shorewall::Compiler;
use Getopt::Long;

sub usage( $ ) {
    my $returnval = shift @_;

    print STDERR 'usage: compiler.pl [ <option> ... ] [ <filename> ]

  options are:
    [ --export ]
    [ --directory=<directory> ]
    [ --verbose={-1|0-2} ]
    [ --timestamp ]
    [ --debug ]
    [ --refresh=<chainlist> ]
    [ --log=<filename> ]
    [ --log-verbose={-1|0-2} ]
    [ --test ]
    [ --preview ]
    [ --family={4|6} ]
';

    exit $returnval;
}

#
#                                     E x e c u t i o n   B e g i n s   H e r e
#
my $export        = 0;
my $shorewall_dir = '';
my $verbose       = 0;
my $timestamp     = 0;
my $debug         = 0;
my $chains        = '';
my $log           = '';
my $log_verbose   = 0;
my $help          = 0;
my $test          = 0;
my $family        = 4; # F_IPV4
my $preview       = 0;

Getopt::Long::Configure ('bundling');

my $result = GetOptions('h'               => \$help,
                        'help'            => \$help,
                        'export'          => \$export,
			'e'               => \$export,
			'directory=s'     => \$shorewall_dir,
			'd=s'             => \$shorewall_dir,
			'verbose=i'       => \$verbose,
			'v=i'             => \$verbose,
			'timestamp'       => \$timestamp,
			't'               => \$timestamp,
		        'debug'           => \$debug,
			'r=s'             => \$chains,
			'refresh=s'       => \$chains,
			'log=s'           => \$log,
			'l=s'             => \$log,
			'log_verbosity=i' => \$log_verbose,
			'test'            => \$test,
			'preview'         => \$preview,
			'f=i'             => \$family,
			'family=i'        => \$family,
		       );

usage(1) unless $result && @ARGV < 2;
usage(0) if $help;

compiler( script          => defined $ARGV[0] ? $ARGV[0] : '',
	  directory       => $shorewall_dir,
	  verbosity       => $verbose,
	  timestamp       => $timestamp,
	  debug           => $debug,
	  export          => $export,
	  chains          => $chains,
	  log             => $log,
	  log_verbosity   => $log_verbose,
	  test            => $test,
	  preview         => $preview,
	  family          => $family );
